OpenTechnical

OT-2026-000101014

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000101014) never changes.

Identity and time

Publication numberOT-2026-000101014 · never reused
Internal UUID01a0aea3-c377-70c0-9451-5d3ef9f700aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101014
StatusPUBLIC

Content hashes

Canonical textdf897bbbe57ee6255eb11dc029f28c5f72ec21321d667d326f567ef4f948047a
Markdownd3667d7d19b5b635dddb1de684671063741a7ea3518f70fa123bedbb626b55ff
PDF
Publication page693ae0f61c0e78b969f1a6d899f9b4d314715c64be6e422974662717cda1683c
Manifest6265a9f88223d1e095a151a1bd5e103844ad898d50a19ad098f55aa6d60a5bd6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureyeA+GqFRHeI9Y6lV2ueqCZBtUujnQJHE6f97K+pPuztn/ibHJWxZ7b5YxhP+ZzBh4EDym1zuailuiqDrxGgABA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:37.029638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101014
observed 693ae0f61c0e78b969f1a6d899f9b4d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:37.010300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101014/manifest.json
observed 6265a9f88223d1e095a151a1bd5e1038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.991704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101014/publication.md
observed d3667d7d19b5b635dddb1de684671063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:36.973856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101014/publication.txt
observed df897bbbe57ee6255eb11dc029f28c5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.